HomeAppsProductivityChallenge Alarm Clock - WakeupApps like Challenge Alarm Clock - Wakeup Here are some great alternatives to Challenge Alarm Clock - Wakeup by Neko Soft : Sunny Alarm Clock ā 4.6 Minimal Alarm Clock ā 4.1 Wakey Alarm Clock ā 4.6 Mr. Screamy - Loud Alarm Clock ā 4.5 Gentle Wakeup: Sun Alarm Clock ā 4.7 Alarm Clock ā 4.5 Alarm Clock Xtreme & Timer ā 4.5 Sleep as Android: Smart alarm ā 4.6 Alarm Clock - Smart Alarm ā 3.9 Simple Alarm Clock ā 4.6 Alarmio ā 4.8 Alarm Clock for me, Loud Alarm ā 4.1 Flow: Alarm Clock Hz Care Wake ā 3.6 Challenges Alarm Clock ā 4.5 Alarm Clock Sounds ā 4.1 Unicorn Alarm Clock ā 4.2